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/*******************************************************************************
* Copyright (c) 2004, 2012 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.css.core.internal.document;
import org.eclipse.wst.css.core.internal.contentmodel.PropCMProperty;
import org.eclipse.wst.css.core.internal.formatter.CSSSourceFormatterFactory;
import org.eclipse.wst.css.core.internal.formatter.CSSSourceGenerator;
import org.eclipse.wst.css.core.internal.formatter.StyleDeclItemFormatter;
import org.eclipse.wst.css.core.internal.parser.CSSSourceParser;
import org.eclipse.wst.css.core.internal.provisional.document.ICSSNode;
import org.eclipse.wst.css.core.internal.provisional.document.ICSSPrimitiveValue;
import org.eclipse.wst.css.core.internal.provisional.document.ICSSStyleDeclItem;
import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion;
import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList;
import org.eclipse.wst.sse.core.internal.text.TextRegionListImpl;
import org.w3c.dom.DOMException;
import org.w3c.dom.css.CSSValue;
/**
*
*/
class CSSStyleDeclItemImpl extends CSSStructuredDocumentRegionContainer implements ICSSStyleDeclItem {
private java.lang.String fPropertyName;
/**
* CSSStyleDeclItemImpl constructor comment.
*
*/
CSSStyleDeclItemImpl(CSSStyleDeclItemImpl that) {
super(that);
this.fPropertyName = that.fPropertyName;
}
/**
* CSSStyleDeclItemImpl constructor comment.
*/
CSSStyleDeclItemImpl(String propertyName) {
super();
this.fPropertyName = propertyName;
}
/**
* @return org.w3c.dom.css.CSSPrimitiveValue
* @param value
* org.w3c.dom.css.CSSPrimitiveValue
*/
public ICSSPrimitiveValue appendValue(ICSSPrimitiveValue value) throws DOMException {
return insertValueBefore(value, null);
}
/**
* @param deep
* boolean
*/
public ICSSNode cloneNode(boolean deep) {
CSSStyleDeclItemImpl cloned = new CSSStyleDeclItemImpl(this);
if (deep)
cloneChildNodes(cloned, deep);
return cloned;
}
/**
* @return java.lang.String
*/
String generateValueSource() {
CSSSourceGenerator formatter = CSSSourceFormatterFactory.getInstance().getSourceFormatter(this);
if (formatter != null && formatter instanceof StyleDeclItemFormatter)
return ((StyleDeclItemFormatter) formatter).formatValue(this).toString();
else
return "";//$NON-NLS-1$
}
/**
* @return org.w3c.dom.css.CSSValue
*/
public CSSValue getCSSValue() {
int nValue = getLength();
if (nValue <= 0)
return null;
else if (nValue == 1)
return item(0);
else
return this;
}
/**
* @return java.lang.String
*/
public java.lang.String getCSSValueText() {
if (getFirstChild() == null)
return "";//$NON-NLS-1$
// check whether children has flatnodes
ICSSNode child = getFirstChild();
while (child != null) {
if (((IndexedRegion) child).getEndOffset() <= 0)
return generateValueSource();
child = child.getNextSibling();
}
IStructuredDocumentRegion node = getFirstStructuredDocumentRegion();
int start = ((IndexedRegion) getFirstChild()).getStartOffset() - node.getStartOffset();
int end = ((IndexedRegion) getLastChild()).getEndOffset() - node.getStartOffset();
return node.getText().substring(start, end);
}
/**
* @return short
*/
public short getCssValueType() {
return CSS_VALUE_LIST;
}
/**
* @return int
*/
public int getLength() {
int i = 0;
for (ICSSNode node = getFirstChild(); node != null; node = node.getNextSibling()) {
if (node instanceof CSSPrimitiveValueImpl)
i++;
}
return i;
}
/**
* @return short
*/
public short getNodeType() {
return STYLEDECLITEM_NODE;
}
/**
* @return java.lang.String
*/
public java.lang.String getPriority() {
return getAttribute(IMPORTANT);
}
/**
* @return java.lang.String
*/
public String getPropertyName() {
String name = fPropertyName.trim();
return PropCMProperty.getInstanceOf(name) != null ? fPropertyName.trim().toLowerCase() : name;
}
/**
* @return org.w3c.dom.css.CSSPrimitiveValue
* @param newValue
* org.w3c.dom.css.CSSPrimitiveValue
* @param refValue
* org.w3c.dom.css.CSSPrimitiveValue
*/
ICSSPrimitiveValue insertValueBefore(ICSSPrimitiveValue newValue, ICSSPrimitiveValue refValue) {
ICSSNode node = insertBefore((CSSNodeImpl) newValue, (CSSNodeImpl) refValue);
return (ICSSPrimitiveValue) node;
}
/**
* @return org.w3c.dom.css.CSSValue
* @param index
* int
*/
public CSSValue item(int index) {
int i = 0;
for (ICSSNode node = getFirstChild(); node != null; node = node.getNextSibling()) {
if (node instanceof CSSPrimitiveValueImpl) {
if (i++ == index)
return (CSSValue) node;
}
}
return null;
}
/**
* @return org.w3c.dom.css.CSSPrimitiveValue
* @param value
* org.w3c.dom.css.CSSPrimitiveValue
*/
public ICSSPrimitiveValue removeValue(ICSSPrimitiveValue value) throws DOMException {
ICSSNode node = removeChild((CSSNodeImpl) value);
return (ICSSPrimitiveValue) node;
}
/**
* @return org.w3c.dom.css.CSSPrimitiveValue
* @param newValue
* org.w3c.dom.css.CSSPrimitiveValue
* @param oldValue
* org.w3c.dom.css.CSSPrimitiveValue
*/
public ICSSPrimitiveValue replaceValue(ICSSPrimitiveValue newValue, ICSSPrimitiveValue oldValue) throws DOMException {
if (oldValue == null)
return newValue;
if (newValue != null)
insertValueBefore(newValue, oldValue);
return removeValue(oldValue);
}
/**
* @param value
* java.lang.String
* @exception org.w3c.dom.DOMException
* The exception description.
*/
public void setCssValueText(String value) throws DOMException {
ICSSNode child = getFirstChild();
while (child != null) {
ICSSNode next = child.getNextSibling();
if (child instanceof ICSSPrimitiveValue) {
removeChild((CSSNodeImpl) child);
}
child = next;
}
setCssValueTextCore(value);
}
private void setCssValueTextCore(String value) throws DOMException {
CSSSourceParser parser = new CSSSourceParser();
parser.setParserMode(CSSSourceParser.MODE_DECLARATION_VALUE);
parser.reset(value);
IStructuredDocumentRegion node = parser.getDocumentRegions();
if (node == null) {
return;
}
if (node.getNext() != null) {
throw new DOMException(DOMException.INVALID_MODIFICATION_ERR, "");//$NON-NLS-1$
}
CSSDeclarationItemParser itemParser = new CSSDeclarationItemParser(getOwnerDocument());
itemParser.setStructuredDocumentTemporary(true);
// make a copy of nodelist because setupValues will destroy list
ITextRegionList nodeList = new TextRegionListImpl(node.getRegions());
itemParser.setupValues(this, node, nodeList, value);
}
/**
* @param newPriority
* java.lang.String
*/
public void setPriority(java.lang.String newPriority) throws DOMException {
setAttribute(IMPORTANT, newPriority);
}
}
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